Question

sydney collects data on the number of hours it takes her classmates to complete a history project. the histogram shows the data. how many classmates answered sydneys question? 27 classmates how many classmates take less than 12 hours? classmates

Explanation:

Step1: Identify relevant bars

Find bars for time intervals less than 12 hours (8 - 10, 10 - 12).

Step2: Sum frequencies

Sum frequencies of these bars: \(8 + 7=15\).

Answer:

15